[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Sat Oct 19 22:10:46 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Sat 19 Oct, 2024

  IPv4 BGP Table (R&E) as seen at CEDIA.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/CEDIA/

Analysis Summary
----------------

BGP routing table entries examined:                               26787
    Prefixes after maximum aggregation (per Origin AS):           13091
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):       14809
    Number of IPv4 prefixes with a valid ROA:                     14670
    Number of IPv4 prefixes with an invalid ROA:                    165
    Number of IPv4 prefixes with no ROA:                          11952
Total ASes present in the Internet Routing Table:                  2816
    Prefixes per ASN:                                              9.51
Origin-only ASes present in the Internet Routing Table:            2429
Origin ASes announcing only one prefix:                            1076
Transit ASes present in the Internet Routing Table:                 387
Transit-only ASes present in the Internet Routing Table:             72
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      29
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      45584
Number of 32-bit ASNs visible in the Routing Table:                 702
Prefixes from 32-bit ASNs in the Routing Table:                    4931
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:             11
Number of addresses announced to Internet:                    241249214
    Equivalent to 14 /8s, 97 /16s and 43 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        3757

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4702
    Total APNIC prefixes after maximum aggregation:                2303
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4761
    Unique aggregates announced from the APNIC address blocks:     2711
APNIC Region origin ASes present in the Internet Routing Table:     582
    APNIC Prefixes per ASN:                                        8.18
APNIC Region origin ASes announcing only one prefix:                241
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.8
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:    229
Number of APNIC addresses announced to Internet:               45727040
    Equivalent to 2 /8s, 185 /16s and 189 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                     15701
    Total ARIN prefixes after maximum aggregation:                 7067
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:            15426
    Unique aggregates announced from the ARIN address blocks:      7866
ARIN Region origin ASes present in the Internet Routing Table:     1271
    ARIN Prefixes per ASN:                                        12.14
ARIN Region origin ASes announcing only one prefix:                 448
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     218
Number of ARIN addresses announced to Internet:               130021793
    Equivalent to 7 /8s, 191 /16s and 249 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3615
    Total RIPE prefixes after maximum aggregation:                 2905
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3812
    Unique aggregates announced from the RIPE address blocks:      3196
RIPE Region origin ASes present in the Internet Routing Table:      674
    RIPE Prefixes per ASN:                                         5.66
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     104
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     158
Number of RIPE addresses announced to Internet:                58726288
    Equivalent to 3 /8s, 128 /16s and 23 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1602
    Total LACNIC prefixes after maximum aggregation:                643
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1608
    Unique aggregates announced from the LACNIC address blocks:     806
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       9.75
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    29
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4291917
    Equivalent to 0 /8s, 65 /16s and 125 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   1166
    Total AfriNIC prefixes after maximum aggregation:               172
    AfriNIC Deaggregation factor:                                  6.78
Prefixes being announced from the AfriNIC address blocks:          1169
    Unique aggregates announced from the AfriNIC address blocks:    220
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     22.92
AfriNIC Region origin ASes announcing only one prefix:               32
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2469888
    Equivalent to 0 /8s, 37 /16s and 176 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         599       2170     464  SINET-AS Research Organization of Informa
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  1237         193         74     145  KREONET-AS-KR KISTI, KR
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Rese
 55824         132         18      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Resear
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  4762          64          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  2697          60          4      35  ERX-ERNET-AS Education and Research Netwo

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2867       3652     421  GOOGLE-CLOUD-PLATFORM, US
 16509        2354       1747    1049  AMAZON-02, US
 14618        1005       4439     757  AMAZON-AES, US
 15169         862       2007      68  GOOGLE, US
  2152         430        507      95  CENIC-2152, US
  2920         223         44      45  LACOE, US
   376         201        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       1759      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          80        674      76  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         26      67  NIKS, RU

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         280        180      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         117         25      56  Red Universitaria Nacional, CL
 27947          88          0      73  Telconet S.A, EC
271640          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  2715          50        100      36  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         528         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
327700          47         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2867       3652     421  GOOGLE-CLOUD-PLATFORM, US
 16509        2354       1747    1049  AMAZON-02, US
 14618        1005       4439     757  AMAZON-AES, US
 15169         862       2007      68  GOOGLE, US
  2907         599       2170     464  SINET-AS Research Organization of Informa
 36914         528         82       3  KENET-AS, KE
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2152         430        507      95  CENIC-2152, US
  2018         381        319      71  TENET-1, ZA
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 16509        2354         1305  AMAZON-02, US
 15169         862          794  GOOGLE, US
 36914         528          525  KENET-AS, KE
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2152         430          335  CENIC-2152, US
  2018         381          310  TENET-1, ZA
 14618        1005          248  AMAZON-AES, US
  1916         280          237  Rede Nacional de Ensino e Pesquisa, BR
  5786         197          196  UPRENET, PR
  2920         223          178  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
103.165.160.0/24     Origin:     16509  AMAZON-02, US
103.165.160.0/24    Transit:     27750  Cooperacion Latino Americana de Redes Av
103.177.50.0/23      Origin:    396982  GOOGLE-CLOUD-PLATFORM, US
103.177.50.0/23     Transit:     15169  GOOGLE, US
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:4       /12:20      
/13:37      /14:81      /15:159     /16:2096    /17:531     /18:517     
/19:755     /20:2803    /21:1114    /22:1696    /23:1846    /24:14813   
/25:52      /26:73      /27:40      /28:18      /29:58      /30:31      
/31:34      /32:7       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         507         528  KENET-AS, KE
 16509         387        2354  AMAZON-02, US
 14618         321        1005  AMAZON-AES, US
 15169         268         862  GOOGLE, US
396982         254        2867  GOOGLE-CLOUD-PLATFORM, US
  8895         128         133  ISU Internet Services Unit ISU, SA
  1916          70         280  Rede Nacional de Ensino e Pesquisa, BR
 27947          70          88  Telconet S.A, EC
327700          41          47  MoRENet, MZ
  2152          40         430  CENIC-2152, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         3:103       5:22        8:28       12:1        13:48     
  14:92       15:72       16:119      18:84       23:110      24:3      
  31:5        34:22       35:49       36:1        37:8        38:10     
  40:5        41:249      42:10       43:2        44:6        45:67     
  46:10       47:1        49:11       50:7        52:550      54:163    
  57:5        59:19       60:6        61:3        62:10       63:36     
  64:149      65:19       66:85       67:67       68:17       69:40     
  70:42       71:3        72:14       74:154      75:1        76:48     
  77:12       78:3        79:10       80:13       81:25       82:7      
  83:7        84:7        85:50       86:5        87:4        88:1      
  89:20       91:56       92:7        93:46       94:2        95:2      
  96:7        97:1        98:11       99:48      101:2       102:16     
 103:352     104:226     107:37      108:112     109:7       111:20     
 113:2       114:32      115:1       116:11      117:62      118:34     
 119:25      121:28      122:8       123:8       124:42      125:5      
 128:52      129:40      130:149     131:63      132:65      133:154    
 134:108     135:3       136:304     137:98      138:62      139:18     
 140:41      141:9       142:313     143:27      144:44      145:3      
 146:145     147:75      148:202     149:17      150:41      151:38     
 152:151     153:14      154:38      155:84      156:141     157:35     
 158:39      159:154     160:31      161:32      162:85      163:66     
 164:24      165:67      166:3       167:41      168:173     169:13     
 170:153     171:1       172:115     173:111     174:2       175:16     
 176:2       177:6       178:1       179:11      180:16      182:9      
 184:7       185:109     186:3       187:17      188:18      189:3      
 190:3       191:13      192:1485    193:292     194:125     195:74     
 196:148     197:322     198:562     199:327     200:326     201:36     
 202:643     203:436     204:422     205:186     206:231     207:312    
 208:149     209:224     210:218     211:3       212:169     213:17     
 216:204     217:12      218:21      219:5       220:17      222:2      
 223:15     

End of report


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